US PATENT SUBCLASS 250 / 559.02
.~.~ Evaluation of photographic film

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
559.01  DF  .~ With circuit for evaluating a web, strand, strip, or sheet {13}
559.02.~.~ Evaluation of photographic film

DEFINITION

Classification: 250/559.02

Evaluation of photos:graphic film:

(under subclass 559.01) Subject matter wherein a circuit produces an output indicative of some characteristic of a photos:graphic film.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

443+, for measuring and testing of photos:graphic film with an optical system.